1.Made of high quality felt cloth, no smell, no toxic materials, environmentally friendly, scratch resistant. 2.Just easily roll and lock the button to make a pet tunnel for indoor or outdoor to make your cat trained physically and mentally, improves the intelligence, enhance the agility and sensitivity. 3.The button design can turn the mat into a cat play tunnel easily, purchase two or more is a better choice since you can DIY the tunnel with free size and shapes to give your cat endless fun. 4.Using felt fabrics to keep your pet active to scratch, have multiple peek holes for funny tracking play, this cat tube tunnel gives your kitty more ways to have fun, It provides hours of exercise and self-amusement. Specification: Name: Color-blocking Rolling Dragon Cat Nest Cat Toys Material: Felt cloth Specifications: 2 Pieces Color: as pictured Size: 425*920*3mm Net weight: about 310grams Package Includes: 2 pieces of 3MM color matching cat litter cat supplies